Camera2D now tested to work. Probably.

RecrownedAthenaeum/Camera/Camera2D.cs

@@ -15,13 +15,30 @@ namespace RecrownedAthenaeum.Camera
         /// </summary>
         public Vector2 Position { get { return new Vector2(position.X, position.Y); } set { position.X = value.X; position.Y = value.Y; } }
 
+        /// <summary>
+        /// Places camera in the center given the corner position.
+        /// </summary>
+        public Vector2 CenterPosition { set { position.X = value.X + graphicsDevice.Viewport.Width / 2f; position.Y = value.Y + graphicsDevice.Viewport.Height / 2f; } }
+
         /// <summary>
         /// A 2D camera from the generic <see cref="Camera3D"/>.
         /// </summary>
         /// <param name="graphicsDevice">The graphics device to use if not using the one in <see cref="Configuration"/>.</param>
         public Camera2D(GraphicsDevice graphicsDevice = null) : base(graphicsDevice)
         {
+            projectionMatrix = Matrix.CreateOrthographic(this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height, 0, 1);
+            CenterPosition = new Vector2(0, 0);
+            Apply();
+        }
 
+        /// <summary>
+        /// Applies for 2D.
+        /// Sets where the camera is looking for the view matrix to the position of the camera.
+        /// </summary>
+        public override void Apply()
+        {
+            lookAt = new Vector3(Position, 1f);
+            base.Apply();
         }
 
         /// <summary>
@@ -38,13 +55,18 @@ namespace RecrownedAthenaeum.Camera
             distance *= (float)(1.0f - Math.Pow(1 - alpha, delta / 0.02f));
 
             Position += distance;
-
-            Apply();
         }
 
-        private Matrix BasicOrthographic()
+        /// <summary>
+        /// Moves the camera.
+        /// Apply needs to be called.
+        /// </summary>
+        /// <param name="move">Magnitude of how much to move per axis.</param>
+        public void MoveCamera(Vector2 move)
         {
-            return Matrix.CreateOrthographic(graphicsDevice.Viewport.Width, graphicsDevice.Viewport.Height, 0, 1);
+            Console.WriteLine(move);
+            Position += move;
+            Console.WriteLine(Position);
         }
     }
 }

RecrownedAthenaeum/Camera/Camera3D.cs

@@ -64,8 +64,9 @@ namespace RecrownedAthenaeum.Camera
             worldMatrix = Matrix.Identity;
             lookAt = Vector3.Forward;
             upDirection = Vector3.Up;
-            Center();
+
-            projectionMatrix = Matrix.CreateOrthographic(this.graphicsDevice.Viewport.Width, this.graphicsDevice.Viewport.Height, 0, 1);
+            GraphicsDevice gDevice = this.graphicsDevice;
+            projectionMatrix = Matrix.Identity;
             Apply();
         }
 
@@ -75,17 +76,17 @@ namespace RecrownedAthenaeum.Camera
         public virtual void Apply()
         {
             ViewMatrix = Matrix.CreateLookAt(position, lookAt, upDirection);
-            TransformationMatrix = projectionMatrix * ViewMatrix * worldMatrix;
+            TransformationMatrix = worldMatrix * ViewMatrix * projectionMatrix;
         }
 
         /// <summary>
-        /// Centers the camera to middle of width and height of game window.
+        /// Moves camera by the given amount.
         /// </summary>
-        public void Center()
+        /// <param name="move">A <see cref="Vector3"/> that contains how much in each direction to move.</param>
+        public void MoveCamera(Vector3 move)
         {
-            position.Z = 0;
+            position += move;
-            position.X = this.graphicsDevice.Viewport.Width * 0.5f;
+            Apply();
-            position.Y = this.graphicsDevice.Viewport.Height * 0.5f;
         }
     }
 }